Midea M-thermal Split MHA-V4W/D2N8 Installation And Owner's Manual page 38

ANNEX B: Electrically controlled wiring diagram
4~10kW
FAN
V
U W
P Q E
CN16
XT2
TO INDOOR
COMM. BUS
NOTE PLEASE USE
3-CORE SHIELDED WIRE
5
W
W(C)
BLUE
V
V(S)
BLACK
U
U(R)
RED
MR4
CN501 CN502
ACL ACN
BROWN
COMP
NO
COM L-OUT N-OUT
CN28
CT1 CN27
RL2
PCB B,Main control board
for 1phase
SW1 SW2 SW3
ON
FORCE_COOL CHECK 1 2 3
CN8 CN7 CN6 CN5 CN33 CN9
SV6
EEV T4
Factory code Date
2019.07.10
16025300004394
34
3
CN19 CN20
PCB A,Inverter
board for 1phase
MR2
BLUE
9
MR3
CN17
CN31
N-OUT
CN3
CN37
XS3 XP3
XS4 XP4
BLUE
BROWN
CN8 CN1 CN4 CN14
L
T3 Tp Th H_SEN. TF
POWER SUPPLY
Leakage Protection Switch
Revision
must be installed to the Power
Supply of the unit.
D
L-PRO
H-PRO
MR1
Y/G
N
XT1